Vulnerability Name:

CVE-2007-6416 (CCN-39160)

Assigned:2007-12-14
Published:2007-12-14
Updated:2017-09-29
Summary:The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.
CVSS v3 Severity:4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): None
Availibility (A): None
CVSS v2 Severity:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.4 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
2.1 Low (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N)
1.6 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): None
Vulnerability Type:CWE-264
Vulnerability Consequences:Bypass Security
References:Source: MITRE
Type: CNA
CVE-2007-6416

Source: OSVDB
Type: UNKNOWN
41344

Source: CCN
Type: RHSA-2008-0089
Important: kernel security and bug fix update

Source: CCN
Type: SA28146
Xen PAL Emulation "copy_to_user()" Security Bypass

Source: SECUNIA
Type: UNKNOWN
28146

Source: SECUNIA
Type: UNKNOWN
28643

Source: CCN
Type: OSVDB ID: 41344
Xen on IA64 PAL Emulation copy_to_user() Function Guest User Arbitrary Physical Memory Access

Source: REDHAT
Type: UNKNOWN
RHSA-2008:0089

Source: BID
Type: UNKNOWN
26954

Source: CCN
Type: BID-26954
Xen 'copy_to_user()' Local Security Bypass Vulnerability

Source: CCN
Type: Xen Web site
changeset: [IA64] Fix vulnerability of copy_to_user in PAL emulation

Source: CONFIRM
Type: Exploit
http://xenbits.xensource.com/ext/ia64/xen-unstable.hg?rev/e6069a715fd7

Source: XF
Type: UNKNOWN
xen-copytouser-security-bypass(39160)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:9840

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xen:xen:3.1.2:*:*:*:*:*:*:*

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:xensource:xen:3.1.2:*:*:*:*:*:*:*
  • AND
  • cpe:/o:netbsd:netbsd:2.0:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux:5:*:client:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:21882
    P
    		ELSA-2008:0089: kernel security and bug fix update (Important)
    2014-05-26
    oval:org.mitre.oval:def:9840
    V
    		The copy_to_user function in the PAL emulation functionality for Xen 3.1.2 and earlier, when running on ia64 systems, allows HVM guest users to access arbitrary physical memory by triggering certain mapping operations.
    2013-04-29
    oval:com.redhat.rhsa:def:20080089
    P
    		RHSA-2008:0089: kernel security and bug fix update (Important)
    2008-03-28
    BACK
    xen xen 3.1.2
    xensource xen 3.1.2
    netbsd netbsd 2.0
    redhat enterprise linux 5
    redhat enterprise linux 5